/*清楚所有的格式*/
*{
    margin: 0px;
    padding: 0px;
}
body{
    min-width: 100%;
}
/*通用样式*/
ul{
    list-style: none;
}
.left{
    float: left;
}
.right{
    float: right;
}
.clear::after {
    content: "";
    display: block;
    clear: both;
}

/*header*/
.header{
    font-size: 15px;
    width: 100%;
    height: 140px;
    background-color: azure;
}
.header ul{
    padding-right: 100px;
}
.header li{
    float: left;
}
.header li ::before{
    content: " ";
    margin: 5px 5px;
}
.barlist a{
    display: block;
    padding: 15px 5px;
    color: white;
    text-decoration: none;
}
.barlist a:hover {
    color: coral;
}